Wanne Wurin Tabbacin Fashewa DIIBT4

Sunan dIIBT4 yana nufin Class II, Ƙididdiga mai tabbatar da fashewar rukuni B.

II	B	T4	Gb	IP64
Mine I	Methane	T1 450 ℃	Ma Extremely high level of protection	IP64
		T2 300 ℃
			Mb High level protection
		T3 200 ℃
I Surface Materials	Propane		Ga Extremely high level of protection
		T4 135 ℃
	Ethylene		Gb High level protection
		T5 100℃
	Hydrogen, Acetylene		Gc General level protection
		T6 85 ℃

The prefix ‘d’ denotes a flameproof type of enclosure, an tsara shi ta yadda duk wani fashewa na ciki ya ƙunshi ba tare da lalata shinge ba da hana yaduwar fashewa a waje;

IIB yana ƙayyade nau'in gas ɗin da ake amfani da shi;

T4 signifies that the product’s maximum surface zafin jiki remains below 130°C.